{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "cell type", "RNA", "DNA", "protein"], "input": "Gel retardation and methylation interference studies revealed that bacterially produced AP-2 bound specifically and with high affinity to all three 21 bp repeats , and that it required the core sequence AGGC for specific binding ."}
{"cell line": [], "cell type": [], "RNA": [], "DNA": ["21 bp repeats", "core sequence"], "protein": ["bacterially produced AP-2", "AP-2"]}